tree dfacbfb5ebe03f47fd72e9de3f72d806988a9668
parent c458b5add432c3da98ef370680518d0af7e4d4e3
author Stephen White <senorblanco@chromium.org> 1648846369 -0400
committer Angle LUCI CQ <angle-scoped@luci-project-accounts.iam.gserviceaccount.com> 1649706211 +0000

D3D11: implement SSBOs in pixel and vertex shaders.

Since the 'u' register space for UAVs in pixel shaders is shared
with render targets, and the number of render targets may vary
depending on GL state, this required deferring register allocation
until draw-time output in DynamicHLSL.

Since non-compute shaders aren't able to immediately output the
SSBO declaration, initial register allocation was broken out from
ResourcesHLSL::shaderStorageBlocksHeader()
into ResourcesHLSL::allocateShaderStorageBlockRegisters() with
the former only called for compute shaders. These initial allocations
are offset by the number of RTs at draw time.

Since Raw UAVs may now be created at draw time for non-compute
shaders, call markRawBufferUsage() from the Renderer11::draw*()
entry points as it is from dispatchCompute*().

Bug: angleproject:7156
Change-Id: I6ab65af1ff36df0313e3c1f8f79661b1547ab9a2
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3565562
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Stephen White <senorblanco@chromium.org>